Finding the Fourth Proportional to 1,894,826,211.84, 2,614,059,475.20 and 1,268,496,433.44
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Solution
The fourth proportional to 1,894,826,211.84, 2,614,059,475.20 and 1,268,496,433.44 is: 1,749,989,049.32
Step by Step Solution
- Step 1: Write the proportion equation
1,894,826,211.84 : 2,614,059,475.20 = 1,268,496,433.44 : x - Step 2: Convert to fraction form
1,894,826,211.84/2,614,059,475.20 = 1,268,496,433.44/x - Step 3: Cross multiply
1,894,826,211.84x = 2,614,059,475.20 × 1,268,496,433.44 - Step 4: Simplify right side
1,894,826,211.84x = 3,315,925,121,091,237,888 - Step 5: Solve for x
x = 3,315,925,121,091,237,888/1,894,826,211.84 - Step 6: Final answer
x = 1,749,989,049.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.